Stovepipe-ventilator.



Patented Sept. 23, I902.

- F. E. TAFT.

STOVEPIPE VENTILATOR.

(Application filed July 3, 1902.)

. (No Model.)

Unitarian Starts PATENT @rrnzn.

FRANK ELRA TAFT, OF JAMESTOWN, NEW YORK.-

STO VEPIPE- -VENTI LATO R.

SPECIFICATION forming part of Letters Patent No. 709,525, datedSeptember 23, 1905i Application filed July 3 1902 Serial No. 114g2l8.(No model) To all 1071,0111, it may concern:

Be it known that I, FRANK ELRA TAFTa citizen of the United States,residing at Jamestown, in the county of Chautauqua and State of NewYork, have invented new and useful Improvements inStovepipe-Ventilators, of which the following is a specification.

Myinvention relates to certain new and use ful improvements inventilators adapted to be attached to and used in connection with astovepipe or similar uptake or conduit for carrying away the products ofcombustion of a range or other stove; and my invention consists of theparts and the constructions and combination of parts, which I willherein describe and claim.

In the accompanying drawing,forming part of this specification, thefigure is an enlarged vertical sectional view of the ventilator, showingthe dust collector or receiver.

In said drawing, A represents a pipe or flue, which may for the presentpurpose indicate the smoke-pipe ofa range or stove, and

B is the ventilator, which is preferably in the form of a cone-shapeddrum and which surrounds the pipe A. The drum B has by preference alength approximating the length of a section of stovepipe, whichincreases the draft effect. The drum is riveted or otherwise firmlyfixed to the pipe A, and said pipe has formed in it the usual openingsa, which are inclosed by the smaller end of the drum. The bottom or baseof the funnel or coneshaped drum B is supplied with a plate or disk 0 ofany appropriate form, in which openings cl are made, through whichopenings the foul air or gases of the room and the odors arising fromcooking will enter the drum and pass through the same and the openings0, into the pipe A and finally into the chimney. The openings for theadmission of the foul air and odors are controlled and theirsizeregulated by means of adamper D in the form of a disk, slidably mountedin or upon the bottom of the hood and having openings e, adapted toregister with those in said bottom, said disk or damper having aprojecting finger-piece f, by which it may be turned to bring theopenings (Z c in line to their full capacity or to move said damper sothat the openings (1 e are partly or wholly out of register. By thismeans the smoke and odors from cooking or from other sources will byreason of the draft through the smokepipe readily pass through theopenings (1 a into the drum and finally into the pipe A,

and the cooler air of the room thus entering the smoke-pipe from thedrum is warmed therein, and the commingled rarefied air, smoke, andgases or products of combustion passing up the pipe will condense thelatter and cause substantially a vacuum, into which the products ofcombustion will rush, the result being to accelerate rather than retardthe draft. \Vhen it is desired to purify the air of the room, the damperis operated to open in whole or part the openings cl 6, and the foul airor odors will speedily pass into and through the ventilator and outthrough the pipe A and chimney,and when the damper is operated to closethe openings 61 e the ventilator is temporarily inoperative, and theproducts of combustion pass through the smoke-pipe and into the chimneyin the usual well-known manner.

In connection with the ventilator as described 0r,in fact,with any likeform of ventilator I employ a means for catching soot or dust which maybe carried into the ventilator from the room or be blown down thechimney by a strong draft of wind. This device is shown at E as havingthe general form of a funnel or inverted cone reversed in relation tothe cone-shaped drum B, having its larger end presented upwardly and itssmaller end closely embracing the stovepipe at its junction with thebottom of the drum. The funnel E may consist of sheet metal, and it maybe fixed to the hood in any appropriate manner. Its upper or larger endextends across the lower portion of the hood B for about two-thirds(more or less) of the total space, and the object of the funnel is tocatch and retain any soot, dust, or foreign matter that may be drawninto the hood from the room or be blown down the chimney or pipe A bythe wind or stronger draft. Any such particles will fall into the openlarge end of the funnel and will be retained therein and be preventedfrom being forced into the room. The funnel E does not materiallydetract from the draft function of the hood or impair the draft throughthe stovepipe, and its oifice to catch the particles of soot dislodgedby a back draft or otherwise carried into the hood is of importance ininsuring such particles not being driven into the room.

Having thus described my invention, what I claim as new,and desire tosecure by Letters Patent, is

1. The combination with a stovepipe and an exterior ventilating-drum, ofan open-top receiver interposed between the drum and pipe and adapted tocollect particles of soot and foreign matter carried into the drum.

2. The combination with a stovepipe or like flue, and a ventilatingdru msurrounding the same, of a funnel-shaped receiver within the drum andsurrounding the pipe or fine, and having its larger end presentedupwardly and adapted to receive soot and particles of foreign matterwhich may enter the drum.

F. ELRA TAFT.

Witnesses:

CHAS. WIDHOLM, GEO. G. ARMSTRONG.

